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455801138 = 213131163821
BaseRepresentation
bin11011001010101…
…111100100110010
31011202200002121122
4123022233210302
51413141114023
6113121222242
714203150202
oct3312574462
91152602548
10455801138
11214319161
12108791982
137357b320
144476c402
152a0372c8
hex1b2af932

455801138 has 32 divisors (see below), whose sum is σ = 747375552. Its totient is φ = 207230400.

The previous prime is 455801111. The next prime is 455801147. The reversal of 455801138 is 831108554.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 455801098 and 455801107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554768 + ... + 555588.

It is an arithmetic number, because the mean of its divisors is an integer number (23355486).

Almost surely, 2455801138 is an apocalyptic number.

455801138 is a deficient number, since it is larger than the sum of its proper divisors (291574414).

455801138 is a wasteful number, since it uses less digits than its factorization.

455801138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 455801138 is about 21349.4997131080. The cubic root of 455801138 is about 769.5883210052.

The spelling of 455801138 in words is "four hundred fifty-five million, eight hundred one thousand, one hundred thirty-eight".

Divisors: 1 2 13 26 131 163 262 326 821 1642 1703 2119 3406 4238 10673 21346 21353 42706 107551 133823 215102 267646 277589 555178 1398163 1739699 2796326 3479398 17530813 35061626 227900569 455801138